Expect 44°C daytime maximum temperatures in the shade with on average 12 hours of sunshine per day in Death Valley in August. Check more long-term weather averages for Death Valley in August before you book your next holiday to California in 2019/2020.

Guide to Death Valley weather in August

The average maximum daytime temperature in Death Valley in August is a very hot 44°C (111°F) with extreme heat & humidity. The average night-time temperature is usually a warm 29°C (84°F). There are usually 12 hours of bright sunshine each day, which represents 92% of the 13 hours of daylight.

Expect 3mm (0.1 inches) of rainfall across the whole of August with 1 day with some rain falling. Maximum UV levels will be very high (10 UV index) at midday when the skies are clear.

Death Valley sunrise & sunset times for August 2019

Browse the sunrise & sunset times for Death Valley in August 2019. Select a month to view Death Valley sunrise & sunset times for the next twelve months.